1c9f718d0SIke PanhcWhat: /sys/devices/platform/ideapad/camera_power 2c9f718d0SIke PanhcDate: Dec 2010 3c9f718d0SIke PanhcKernelVersion: 2.6.37 4c9f718d0SIke PanhcContact: "Ike Panhc <ike.pan@canonical.com>" 5c9f718d0SIke PanhcDescription: 6c9f718d0SIke Panhc Control the power of camera module. 1 means on, 0 means off. 73371f481SIke Panhc 80c7bbeb9SMaxim MikityanskiyWhat: /sys/devices/platform/ideapad/fan_mode 90c7bbeb9SMaxim MikityanskiyDate: June 2012 100c7bbeb9SMaxim MikityanskiyKernelVersion: 3.6 110c7bbeb9SMaxim MikityanskiyContact: "Maxim Mikityanskiy <maxtram95@gmail.com>" 120c7bbeb9SMaxim MikityanskiyDescription: 130c7bbeb9SMaxim Mikityanskiy Change fan mode 140c7bbeb9SMaxim Mikityanskiy There are four available modes: 1534433332SMauro Carvalho Chehab 160c7bbeb9SMaxim Mikityanskiy * 0 -> Super Silent Mode 170c7bbeb9SMaxim Mikityanskiy * 1 -> Standard Mode 180c7bbeb9SMaxim Mikityanskiy * 2 -> Dust Cleaning 190c7bbeb9SMaxim Mikityanskiy * 4 -> Efficient Thermal Dissipation Mode 203371f481SIke Panhc 2136ac0d43SRitesh Raj SarrafWhat: /sys/devices/platform/ideapad/touchpad 2236ac0d43SRitesh Raj SarrafDate: May 2017 2336ac0d43SRitesh Raj SarrafKernelVersion: 4.13 2436ac0d43SRitesh Raj SarrafContact: "Ritesh Raj Sarraf <rrs@debian.org>" 2536ac0d43SRitesh Raj SarrafDescription: 2636ac0d43SRitesh Raj Sarraf Control touchpad mode. 2736ac0d43SRitesh Raj Sarraf * 1 -> Switched On 2836ac0d43SRitesh Raj Sarraf * 0 -> Switched Off 2940760717SOleg Keri 3040760717SOleg KeriWhat: /sys/bus/pci/devices/<bdf>/<device>/VPC2004:00/fn_lock 3140760717SOleg KeriDate: May 2018 3240760717SOleg KeriKernelVersion: 4.18 3340760717SOleg KeriContact: "Oleg Keri <ezhi99@gmail.com>" 3440760717SOleg KeriDescription: 3540760717SOleg Keri Control fn-lock mode. 3634433332SMauro Carvalho Chehab 3740760717SOleg Keri * 1 -> Switched On 3840760717SOleg Keri * 0 -> Switched Off 3940760717SOleg Keri 4034433332SMauro Carvalho Chehab For example:: 4134433332SMauro Carvalho Chehab 4240760717SOleg Keri # echo "0" > \ 4340760717SOleg Keri /sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock 44*6b49dea4SBarnabás Pőcze 45*6b49dea4SBarnabás PőczeWhat: /sys/bus/platform/devices/VPC2004:*/usb_charging 46*6b49dea4SBarnabás PőczeDate: Feb 2021 47*6b49dea4SBarnabás PőczeKernelVersion: 5.12 48*6b49dea4SBarnabás PőczeContact: platform-driver-x86@vger.kernel.org 49*6b49dea4SBarnabás PőczeDescription: 50*6b49dea4SBarnabás Pőcze Controls whether the "always on USB charging" feature is 51*6b49dea4SBarnabás Pőcze enabled or not. This feature enables charging USB devices 52*6b49dea4SBarnabás Pőcze even if the computer is not turned on. 53